Location History:
- Tokyo, JP (2000 - 2001)
- Hyogo, JP (1997 - 2002)
Company Filing History:
Years Active: 1997-2002
Title: The Innovations of Tadashi Sakamoto
Introduction
Tadashi Sakamoto is a notable inventor based in Hyogo, Japan. He has made significant contributions to the fields of graphics and audio technology. With a total of 5 patents, Sakamoto's work has had a lasting impact on the industry.
Latest Patents
One of his latest patents is a three-dimensional graphics drawing apparatus that calculates the tone of pixels based on tones of pixels at prescribed intervals. This innovative apparatus includes a hidden surface calculating portion that determines whether a part is visible on the picture screen based on three-dimensional data. It also features a tone calculating portion that calculates the tones of pixels at prescribed intervals in visible parts, an interpolating portion for pixels whose tones have not been calculated, and a drawing portion that draws graphics based on the results of these calculations. This invention significantly reduces the time required for calculating pixel tones and improves drawing speed.
Another notable patent is an MPEG-1 audio layer III decoding device that achieves fast processing by eliminating an arithmetic operation that provides a previously known operation result. This device can perform fast decoding of MP3 files by executing fast inverse quantization of Huffman code data. It includes a bit stream decomposing portion, a scale factor decoder, a Huffman decoder, a zero detecting portion, an inverse quantizer, and a hybrid filter bank portion. This invention enhances the efficiency of audio decoding processes.
Career Highlights
Tadashi Sakamoto is currently employed at Mitsubishi Electric Corporation, where he continues to innovate and develop new technologies. His work has been instrumental in advancing the capabilities of graphics and audio processing.
Collaborations
Sakamoto has collaborated with talented individuals such as Yukio Hayashi and Maiko Taruki. Their combined expertise has contributed to the success of various projects and patents.
Conclusion
Tadashi Sakamoto's contributions to technology through his patents reflect his innovative spirit and dedication to advancing the fields of graphics and audio. His work continues to influence the industry and inspire future inventors.